Email: sales@xtalong.com Tel: +86-28-80192520
Nominal Frequency: 38.4000MHz
Operating Voltage: 3.3V
Output Waveform: CMOS
Frequency Accuracy: ±200 ppb (parts per billion, offering extremely high precision)
Package Dimensions: 20mm (L) x 20mm (W) x 12mm (H)
Pin Functions: Includes Supply Voltage (VCC), Electronic Frequency Control (EFC), Reference Voltage (Vref), Ground (GND), and RF Output (RF).
A high-performance 38.4MHz OCXO featuring ppb-level frequency stability, ultra-low phase noise, and industrial-grade reliability for precision timing applications.
Extreme Stability: ppb-level precision and minimal aging for long-term consistent performance.
Excellent Signal Purity: Low phase noise reduces transmission jitter and errors.
Industrial Reliability: Built for harsh environments (-40°C to +85°C) with robust shock and ESD protection.
Item | Parameter | Value | Unit | Test Condition | ||
Min. | Type | Max. | ||||
Connection | Power Supply | - | 3.3 | - | V | |
Load | 15 | pF | ||||
Output | Nominal Frequency | 38.400 | MHz | |||
Waveform | CMOS | —-- | ||||
High Level | 2.7 | V | Load 15pF | |||
Low Level | 0.3 | V | ||||
Rise/Down Time | 6 | ns | ||||
Characteristics | Min | Typ. | Max | Unit | ||
Frequency Accuracy | -200 | +200 | ppb | |||
Ambient | -20 | +20 | ppb | -40~+85℃, | ||
Aging | -1 | +1 | ppb | After work 30days | ||
Phase Noise | Min | Typ. | Max | Unit | ||
@100Hz | - | dBc/Hz | Load 15pF | |||
@1KHz | -140 | dBc/Hz | ||||
@10KHz | -145 | dBc/Hz | ||||
@100KHz | - | dBc/Hz | ||||
Power | Start Current | 3.5 | W | @Turn on | ||
1.5 | W | @Stable 25℃±3℃ | ||||
Frequency changed range | -0.3 | +0.3 | ppm | |||
Controlled voltage range | 0 | - | 3.0 | VDC | ||
Input Impedance | 100 | KΩ | ||||
Operable Temp. Range | -40 | +85 | ℃ | |||
Storage Temp. Range | -55 | +85 | ℃ | |||
Duty cycle | 45 | 55 | % | |||

A:15.2±0.2mm B:15.2±0.2mm
L: 20.0±0.5mm W:20.0±0.5mm H:12.0±0.5 | ||
Pin | Symbol | Electrical performance |
1 | VCC | Power input |
2 | EFC | Electronic Frequency Control |
3 | Vref | Voltage reference |
4 | GND | Ground |
5 | RF | RF intput |
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Contact: Katya Vane
Phone: +86-18884136031
Tel: +86-28-80192520
Email: sales@xtalong.com
Add: No.4 of XinHang Road, West of High-tech zone, Chengdu City 611731, China
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